BUGFIX: further work done on `findingDefaults()` as it turns out some grammars are produced with multiple symbols having the same action+newState combo listed in some rows:
BUGFIX: further work done on `findingDefaults()` as it turns out some grammars are produced with multiple symbols having the same action+newState combo listed in some rows:

// Another 'default' is when all listed terminals all point to the exact same reduce state;
// only this time we are careful about the TERROR symbol as a state carrying that one
// is an explicitly encoded error recovery rule and should remain as-is.

GerHobbelt/jison,GerHobbelt/jison,GerHobbelt/jison,GerHobbelt/jison